Tae-Hoo Yi graduated from Kyung Hee University and received his B.S., M.S., and Ph.D. in 1995, 2002, and 2005. After graduation, he joined the same university as an Assistant Professor and is now a Professor at the Department of Oriental Medicine and Biotechnology and the Research Director of the “Natural Medicine Material Development and Standardization Project Group (QBDC)”, which was established with the support of the Ministry of Trade, Industry, and Energy. He has published about 255 papers so far, and more than 50 have been published in internationally famous skin-related journals.